Kent A. Gray
YOU?
Author Swipe
View article: Genetic Parameter Estimates for Teat and Mammary Traits in Commercial Sows
Genetic Parameter Estimates for Teat and Mammary Traits in Commercial Sows Open
The objective was to evaluate the genetics of sow teat and mammary traits at farrowing and at weaning. Data were recorded on 3099 Landrace × Large White F1 sows. Underline traits included the total teat number (TT), the functional teat num…
View article: The impact of functional teat number on reproductive throughput in swine
The impact of functional teat number on reproductive throughput in swine Open
The objective was to evaluate the impact of functional teat number on reproductive throughput in swine. Data included 735 multiparous Landrace × Large White F1 females. Sow underlined traits consisted of total teat number (TT), functional …
View article: Exploring methods to summarize gut microbiota composition for microbiability estimation and phenotypic prediction in swine
Exploring methods to summarize gut microbiota composition for microbiability estimation and phenotypic prediction in swine Open
The microbial composition resemblance among individuals in a group can be summarized in a square covariance matrix and fitted in linear models. We investigated eight approaches to create the matrix that quantified the resemblance between a…
View article: Use of Host Feeding Behavior and Gut Microbiome Data in Estimating Variance Components and Predicting Growth and Body Composition Traits in Swine
Use of Host Feeding Behavior and Gut Microbiome Data in Estimating Variance Components and Predicting Growth and Body Composition Traits in Swine Open
The purpose of this study was to investigate the use of feeding behavior in conjunction with gut microbiome sampled at two growth stages in predicting growth and body composition traits of finishing pigs. Six hundred and fifty-one purebred…
View article: Single-Step GBLUP and GWAS Analyses Suggests Implementation of Unweighted Two Trait Approach for Heat Stress in Swine
Single-Step GBLUP and GWAS Analyses Suggests Implementation of Unweighted Two Trait Approach for Heat Stress in Swine Open
The purpose of this study was to perform a genome-wide association study to determine the genomic regions associated with heat stress tolerance in swine. Phenotypic information on carcass weight was available for 227,043 individuals from c…
View article: Exploring the role of gut microbiota in host feeding behavior among breeds in swine
Exploring the role of gut microbiota in host feeding behavior among breeds in swine Open
View article: Additional file 1 of Exploring the role of gut microbiota in host feeding behavior among breeds in swine
Additional file 1 of Exploring the role of gut microbiota in host feeding behavior among breeds in swine Open
Additional file 1. The family relationship among pigs for each breed based on pedigree. The numerator relationship matrices were calculated from pedigree information and is presented in individual sheet for each breed.
View article: Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses
Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses Open
Background The possibility of using antibody response (S/P ratio) to PRRSV vaccination measured in crossbred commercial gilts as a genetic indicator for reproductive performance in vaccinated crossbred sows has motivated further studies of…
View article: 23 Exploring the Role of Gut Microbiota in Host Feeding Behavior Among Breeds in Swine
23 Exploring the Role of Gut Microbiota in Host Feeding Behavior Among Breeds in Swine Open
The present study aimed to explore gut microbiota’s overall influence on feeding behavior and identify specific microbes associated with the traits in three commercial swine breeds at different growth stages. Feeding behavior measures were…
View article: Host Genetics of Response to Porcine Reproductive and Respiratory Syndrome in Sows: Antibody Response as an Indicator Trait for Improved Reproductive Performance
Host Genetics of Response to Porcine Reproductive and Respiratory Syndrome in Sows: Antibody Response as an Indicator Trait for Improved Reproductive Performance Open
Antibody response to porcine reproductive and respiratory syndrome (PRRS) virus (PRRSV) infection, measured as sample-to-positive (S/P) ratio, has been proposed as an indicator trait for improved reproductive performance during a PRRS outb…
View article: Host Genetics of Response to Porcine Reproductive and Respiratory Syndrome in Sows: Reproductive Performance
Host Genetics of Response to Porcine Reproductive and Respiratory Syndrome in Sows: Reproductive Performance Open
Porcine Reproductive and Respiratory Syndrome (PRRS) is historically the most economically important swine disease worldwide that severely affects the reproductive performance of sows. However, little is still known about the genetic basis…
View article: 40 Novel Genomic Regions Associated with Igg Antibody Response to PRRSV Vaccination Revealed by Haplotype-based GWAS
40 Novel Genomic Regions Associated with Igg Antibody Response to PRRSV Vaccination Revealed by Haplotype-based GWAS Open
Previous studies on genomics of antibody response, measured as sample-to-positive (S/P) ratio, to Porcine Reproductive and Respiratory Syndrome virus (PRRSV) have reported a major quantitative trait locus (QTL) on the major histocompatibil…
View article: 128 Differences in PRRSV Resilience for Reproductive Performance Between Landrace and Duroc Sows
128 Differences in PRRSV Resilience for Reproductive Performance Between Landrace and Duroc Sows Open
Studies on differences in resilience to porcine reproductive and respiratory syndrome (PRRS) virus (PRRSV) between breeds are scarce in the literature. Thus, the objective of this work was to assess PRRSV resilience in PRRSV wild-type infe…
View article: 129 Genomic Relationship Between PRRSV Wild-type Infection and PRRSV Vaccination for Antibody Response and Reproductive Performance
129 Genomic Relationship Between PRRSV Wild-type Infection and PRRSV Vaccination for Antibody Response and Reproductive Performance Open
Immunoglobulin G antibody response, measured as sample-to-positive (S/P) ratio, to Porcine Reproductive and Respiratory Syndrome virus (PRRSV) has been proposed as an indicator trait for improved reproductive performance in PRRSV-infected …
View article: 127 Antibody Response as an Indicator Trait for Improved Reproductive Performance During a PRRSV Outbreak: Genetic Correlations of S/P Ratio with Reproductive Traits in Landrace and Duroc Sows
127 Antibody Response as an Indicator Trait for Improved Reproductive Performance During a PRRSV Outbreak: Genetic Correlations of S/P Ratio with Reproductive Traits in Landrace and Duroc Sows Open
Previous studies proposed the use of antibody response to Porcine Reproductive and Respiratory Syndrome virus (PRRSV), measured as sample-to-positive (S/P) ratio, as a potential indicator trait to improve the reproductive performance of PR…
View article: Genomics of response to porcine reproductive and respiratory syndrome virus in purebred and crossbred sows: antibody response and performance following natural infection vs. vaccination
Genomics of response to porcine reproductive and respiratory syndrome virus in purebred and crossbred sows: antibody response and performance following natural infection vs. vaccination Open
Antibody response, measured as sample-to-positive (S/P) ratio, to porcine reproductive and respiratory syndrome virus (PRRSV) following a PRRSV-outbreak (S/POutbreak) in a purebred nucleus and following a PRRSV-vaccination (S/PVx) in comme…
View article: Additional file 1 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses
Additional file 1 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses Open
Additional file 1: Table S1. ROH and ROHet identified in the study. Spreadsheets 1 and 2 contain results for ROH and ROHet, respectively. The columns represent: (1) ROH/ROHet numbered according to the number of SNPs within each ROH/ROHet; …
View article: Additional file 6 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses
Additional file 6 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses Open
Additional file 6: Table S5. Effect of S/P ratio haplotypes on reproductive performance. The columns represent: (1) reproductive traits; (2) haplotype numbered according to their location along the genome; (3) haplotype; (4) expected mean …
View article: Additional file 2 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses
Additional file 2 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses Open
Additional file 2: Table S2. Associations of ROH/ROHet with S/P ratio. Spreadsheets 1 and 2 contain results for ROH and ROHet, respectively. The columns represent: (1) ROH/ROHet numbered according to the number of SNPs within each ROH/ROHe…
View article: Additional file 5 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses
Additional file 5 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses Open
Additional file 5: Table S4. Association of haplotypes with S/P ratio (approach 2). The columns represent: (1) haplotype numbered by order of appearance in the genome; (2) chromosome where the haplotype is located; (3) P-value for the asso…
View article: Additional file 4 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses
Additional file 4 of Further host-genomic characterization of total antibody response to PRRSV vaccination and its relationship with reproductive performance in commercial sows: genome-wide haplotype and zygosity analyses Open
Additional file 4: Table S3. Haplotypes identified in the genome of commercial sows. The columns represent: (1) haplotype numbered by order of appearance along the genome; (2) number of SNPs composing the haplotype; (3) chromosome where th…
View article: Changes in chondrocyte gene expression following in vitro impaction of porcine articular cartilage in an impact injury model
Changes in chondrocyte gene expression following in vitro impaction of porcine articular cartilage in an impact injury model Open
Our objective was to monitor chondrocyte gene expression at 0, 3, 7, and 14 days following in vitro impaction to the articular surface of porcine patellae. Patellar facets were either axially impacted with a cylindrical impactor (25 mm/sec…
View article: 20 Vaginal microbiome composition is associated with sow longevity
20 Vaginal microbiome composition is associated with sow longevity Open
The vaginal microbiome of gilts vaccinated for porcine reproductive and respiratory syndrome (PRRS) has been previously associated with first-parity reproductive performance in absence of PRRS outbreak. However, associations using multipar…
View article: 27 Genomic relationship between antibody response to porcine reproductive and respiratory syndrome virus vaccination and reproductive performance in commercial sows
27 Genomic relationship between antibody response to porcine reproductive and respiratory syndrome virus vaccination and reproductive performance in commercial sows Open
Antibody response, measured as sample-to-positive ratio (S/P), to porcine reproductive and respiratory syndrome (PRRS) after PRRS outbreaks has been proposed as an indicator trait to improve reproductive performance in PRRS-infected sows. …
View article: PSV-15 Genomic basis of reproductive performance in PRRSV-infected sows
PSV-15 Genomic basis of reproductive performance in PRRSV-infected sows Open
Previous studies have shown that reproductive traits in sows during porcine reproductive and respiratory syndrome (PRRS) outbreaks are lowly heritable. However, little is known about the genomic basis of reproductive performance in PRRS vi…
View article: PSV-11 Accuracies of genomic prediction for reproductive traits in PRRSV-infected sows
PSV-11 Accuracies of genomic prediction for reproductive traits in PRRSV-infected sows Open
Recent studies on host-genetics of response to porcine reproductive and respiratory syndrome virus (PRRSV) infection have shown that genetic markers can be used to predict performance in growing pigs. On the other hand, no work has been do…
View article: 93 Genomic basis of antibody response to porcine reproductive and respiratory syndrome virus vaccination
93 Genomic basis of antibody response to porcine reproductive and respiratory syndrome virus vaccination Open
Antibody (Ab) response to natural infection with porcine reproductive and respiratory syndrome (PRRS) virus has been shown to be highly heritable (~0.40), to be genetically correlated with farrowing performance in PRRSV-infected sows, be c…
View article: Evidence for recombination variability in purebred swine populations
Evidence for recombination variability in purebred swine populations Open
This study aimed to investigate interpopulation variation due to sex, breed and age, and the intrapopulation variation in the form of genetic variance for recombination in swine. Genome‐wide recombination rate and recombination occurrences…
View article: Genetic Analysis of Antibody Response to Porcine Reproductive and Respiratory Syndrome Vaccination as an Indicator Trait for Reproductive Performance in Commercial Sows
Genetic Analysis of Antibody Response to Porcine Reproductive and Respiratory Syndrome Vaccination as an Indicator Trait for Reproductive Performance in Commercial Sows Open
We proposed to investigate the genomic basis of antibody response to porcine reproductive and respiratory syndrome (PRRS) virus (PRRSV) vaccination and its relationship to reproductive performance in non-PRRSV-infected commercial sows. Nin…
View article: Gut microbiome composition differences among breeds impact feed efficiency in swine
Gut microbiome composition differences among breeds impact feed efficiency in swine Open